package com.chy.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.chy.servicebase.exceptionhandler.GuLiException;
import com.chy.vod.service.VodService;
import com.chy.vod.utils.ConstantVodUtils;
import com.chy.vod.utils.InitVodClient;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceIml implements VodService {
    // 上传视频到阿里云
    @Override
    public String uploadVideoAly(MultipartFile file) {
        try {
            // 上传文件原始名称
            String fileName = file.getOriginalFilename();
            // title：上传之后显示的名称
            String title = fileName.substring(0, fileName.lastIndexOf("."));
            // inputStream: 上传文件输入流
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else {
                videoId = response.getVideoId();
            }
            return videoId;
        } catch (Exception e) {
            throw new GuLiException(20001,"视频上传失败");
        }
    }

    // 根据视频id删除阿里云视频
    @Override
    public void removeVideo(String id) {
        try {
            // 初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            // 创建删除视频request对象
            DeleteVideoRequest request = new DeleteVideoRequest();
            // 向request设置视频id
            request.setVideoIds(id);
            // 调用初始化对象的方法实现删除
            client.getAcsResponse(request);
        } catch (Exception e) {
            e.printStackTrace();
            throw new GuLiException(20001,"删除视频失败");
        }
    }

    // 删除多个阿里云视频
    @Override
    public void removeMoreAlyVideo(List videoIdList) {
        try {
            // 初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            // 创建删除视频request对象
            DeleteVideoRequest request = new DeleteVideoRequest();

            // videoIdList值转换成 1,2,3
            String videoIds = StringUtils.join(videoIdList.toArray(), ",");

            // 向request设置视频id
            request.setVideoIds(videoIds);
            // 调用初始化对象的方法实现删除
            client.getAcsResponse(request);
        } catch (Exception e) {
            e.printStackTrace();
            throw new GuLiException(20001,"删除视频失败");
        }
    }
}
